PETROBRAS is conducting a research project with the purpose of investigating the behavior of pipeline with long corrosion defects. In the first phase of this project, burst tests of 9 tubular specimens containing a single external simulated corrosion defect were carried out. These specimens were cut from longitudinal welded tubes made of API 5L X60 steel with an outside diameter of 323.9 mm and a wall thickness of 9.53 mm. All corrosion defects were smooth rectangular defects fabricated using spark erosion. Tensile specimens were tested to determine material properties. Each corroded specimen was instrumented with 10 post-yield strain gages rosettes, one displacement transducer and three pressure transducers. This paper describes the tubular specimens tested and the instrumentation used. The measured burst pressures are compared with those predicted by the ASME B31G, the RSTRENG 085dL, the RSTRENG Effective Area and the DNV RP-F101 (Part B) methods.
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2000 3rd International Pipeline Conference
October 1–5, 2000
Calgary, Alberta, Canada
Conference Sponsors:
- Pipeline Division
ISBN:
978-0-7918-4025-2
PROCEEDINGS PAPER
Burst Tests on Pipeline With Long External Corrosion
Adilson C. Benjamin,
Adilson C. Benjamin
PETROBRAS Research Center
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Ronaldo D. Vieira,
Ronaldo D. Vieira
PUC-Rio, Rio de Janeiro, RJ, Brazil
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Jose Luiz F. Freire,
Jose Luiz F. Freire
PUC-Rio, Rio de Janeiro, RJ, Brazil
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Jaime T. P. de Castro
Jaime T. P. de Castro
PUC-Rio, Rio de Janeiro, RJ, Brazil
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Adilson C. Benjamin
PETROBRAS Research Center
Ronaldo D. Vieira
PUC-Rio, Rio de Janeiro, RJ, Brazil
Jose Luiz F. Freire
PUC-Rio, Rio de Janeiro, RJ, Brazil
Jaime T. P. de Castro
PUC-Rio, Rio de Janeiro, RJ, Brazil
Paper No:
IPC2000-193, V002T06A013; 7 pages
Published Online:
October 21, 2016
Citation
Benjamin, AC, Vieira, RD, Freire, JLF, & de Castro, JTP. "Burst Tests on Pipeline With Long External Corrosion." Proceedings of the 2000 3rd International Pipeline Conference. Volume 2: Integrity and Corrosion; Offshore Issues; Pipeline Automation and Measurement; Rotating Equipment. Calgary, Alberta, Canada. October 1–5, 2000. V002T06A013. ASME. https://doi.org/10.1115/IPC2000-193
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